Add Direct2D support to wxSTC

include/wx/msw/private/graphicsd2d.h

@@ -0,0 +1,28 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/private/graphicsd2d.h
+// Purpose:     Allow functions from graphicsd2d.cpp to be used in othe files
+// Author:      New Pagodi
+// Created:     2017-10-31
+// Copyright:   (c) 2017 wxWidgets development team
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifndef WX_MSW_PRIVATE_GRAPHICSD2D_H_
+#define WX_MSW_PRIVATE_GRAPHICSD2D_H_
+
+#if wxUSE_GRAPHICS_DIRECT2D
+
+// Ensure no previous defines interfere with the Direct2D API headers
+#undef GetHwnd
+
+#include <d2d1.h>
+#include <dwrite.h>
+#include <wincodec.h>
+
+WXDLLIMPEXP_CORE IWICImagingFactory* wxWICImagingFactory();
+WXDLLIMPEXP_CORE ID2D1Factory* wxD2D1Factory();
+WXDLLIMPEXP_CORE IDWriteFactory* wxDWriteFactory();
+
+#endif // wxUSE_GRAPHICS_DIRECT2D
+
+#endif // WX_MSW_PRIVATE_GRAPHICSD2D_H_